The triquetra has been found on runestones in Northern Europe and on early Germanic coins. It presumably had pagan religious meaning and it bears a resemblance to the Valknut, a symbol associated with Odin.
G Scale Trains are usually referred to as Garden Trains since they are the largest of the model trains and are used outdoors as well as indoors.
Outdoor Garden Railroads. One of the most popular uses of G gauge trains is outdoor garden railroads. The track and structures are rugged enough to survive outdoor climates all year long. Most modelers keep the trains stored inside for security and protection when not in use.â.